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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG818654254

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818654254

Diamond specifications and retailer prices

From €264 EUR
$295 USD
As of October 30, 2026
Save €2,591 EUR (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,855 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654254 or 818654254. Listed at 21 retailers as of October 30, 2026, with prices from €264 to €2,855, a €2,591 spread on the same certified stone. Brilliant Earth lists it at €2,855. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654254
Dimensions8.22 × 5.92 × 4.07 mm
L/W Ratio1.39
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.22 mm5.92 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654254
Side View
Table 64.0%Crown 29.3°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,855 EUR|Low: €264 EUR|High: €3,151 EUR|Avg: €961 EUR|-9.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 21
October 31, 2026
Retailer 8€264 EUR
Retailer 6€304 EUR
Retailer 5€328 EUR
Retailer 12€328 EUR
Retailer 16€338 EUR
Retailer 15€492 EUR
Retailer 10€536 EUR
Retailer 19€563 EUR
Retailer 4€568 EUR
Retailer 13€580 EUR
Retailer 2€593 EUR
Retailer 18€762 EUR
Retailer 21€833 EUR
Retailer 9€1,096 EUR
Retailer 3€1,145 EUR
Retailer 7€1,171 EUR
Retailer 11€1,171 EUR
Retailer 17€1,319 EUR
Retailer 14€1,552 EUR
Retailer 20€2,408 EUR
Brilliant Earth€2,855 EUR

28 data points across 21 retailers

21 retailers€264 EUR to €2,855 EUR

A
Cheapest Retailer
-
€264 EUR
$295 USD
A
Retailer 2
-
€304 EUR
$340 USD
View
Final sale: no returns
A
Retailer 3
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€328 EUR
$366 USD
View
A
Retailer 4
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€328 EUR
$366 USD
View
A
Retailer 5
-
€338 EUR
£297 GBP
View
A
Retailer 6
-
€492 EUR
$550 USD
View
A
Retailer 7
-
€536 EUR
$599 USD
View
A
Retailer 8
-
€563 EUR
ZAR 10,154 ZAR
View
A
Retailer 9
-
€568 EUR
$635 USD
View
A
Retailer 10
-
€580 EUR
£510 GBP
View
A
Retailer 11
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€593 EUR
View
A
Retailer 12
-
€762 EUR
A$1,309 AUD
View
A
Retailer 13
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€833 EUR
$931 USD
View
B+
Retailer 14
-
€1,096 EUR
$1,224 USD
View
B+
Retailer 15
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€1,145 EUR
$1,279 USD
View
B+
Retailer 16
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€1,171 EUR
$1,308 USD
View
B+
Retailer 17
-
€1,171 EUR
SGD 1,768 SGD
View
B+
Retailer 18
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€1,319 EUR
£1,160 GBP
View
B+
Retailer 19
-
€1,552 EUR
$1,734 USD
View
Retailer 20
-
€2,408 EUR
$2,690 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21433885A · Oct 31
€2,855 EUR
$3,190 USD
View
20 more retailers have this diamond
Prices start from €264 EURSave up to €2,591 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.74ct Radiant
€264 EUR